NPPB and acute kidney injury: We observed that the AUCs of sST2, NT-proBNP, H-FABP, LDH, and UA to discriminate AKI were 0.670 (95%CI, 0.627–0.713), 0.713 (95%CI, 0.669–0.758), 0.725 (95%CI, 0.686–0.765), 0.704 (95%CI, 0.664–0.745), and 0.749 (95%CI, 0.710–0.788).